if memo1.lines.count = 0 then showmessage ('empty');
var i:integer; //... for i:=0 to memo1.Lines.Count-1 do if Trim(memo1.Lines[i])='' then showmessage('第'+inttostr(i)+'是空的');
procedure TForm1.Button1Click(Sender: TObject); var i:integer; iCount:integer; TmpStr:string; begin iCount:=Memo1.Lines.Count-1; for i:=0 to iCount do begin TmpStr:=Memo1.Lines[i]; if TmpStr = '' then Application.MessageBox(PChar(IntToStr(i+1)+'行为空'),PChar('title'),MB_OK); end; ModalResult:=mrCancel; end;
showmessage ('empty');
i:integer;
//...
for i:=0 to memo1.Lines.Count-1 do
if Trim(memo1.Lines[i])='' then
showmessage('第'+inttostr(i)+'是空的');
var
i:integer;
iCount:integer;
TmpStr:string;
begin
iCount:=Memo1.Lines.Count-1;
for i:=0 to iCount do
begin
TmpStr:=Memo1.Lines[i];
if TmpStr = '' then
Application.MessageBox(PChar(IntToStr(i+1)+'行为空'),PChar('title'),MB_OK);
end;
ModalResult:=mrCancel;
end;